"My Set". Of maps (petrograph) there are many and are all well mounted. 48 are mounted 2 in a frame and about 2 x 3 feet. I found one of the Empire about 5x5, 10 are mounted in 5 frames about 3x7 feet. I found orography map 5x5, 1 topographical map 5x5, 1 on a silk screen indicating the main mines 5x5 feet. One large frame with insets of maps from the principal ores (Dr. Bureau of Mines.) Arts and Crystals (22 specimens), many arsenic (2) and sulphur (12) from the principal mines. The two latter are shown in glass boxes of about 14x22 inches founded with nickel rods thus, 4 maps 4x4 feet showing distribution of silver, copper, sulphur and petroleum ores. Lignite samples (1), coal in another place (2) An- thracite (1) Aspholt (1), Petroleum- (3) Graphite (1), Sul- phur (3) Arsenic (1) Lead ore (2) Copper (5) Pyrite (6) Zinc (3) Chromium ore (1) Iron (1) Manganese (1) Bismuth (1) Silver (4) Gold (3) Antimony